. using company documents to bolster their case, justice department lawyers says the deal will lead to higher prices for popular beers like budweiser and corona. anheuser-busch inbev says it is still confident the deal will go through. as darren gersh reports, the fight could be a sign more mergers will face a tougher time in washington. >> reporter: the justice department is not quite ready for a two-pack of brewers to control almost half the american beer market. in a statement announcing a lawsuit to block anheuser-bush inbev's $20 billion deal for mexican brewer modelo, assistant attorney general bill baer says >> if abi fully owned and controlled modelo, a.b.i. would be able to increase beer prices to american consumers. this lawsuit seeks to prevent a.b.i. from eliminating modelo as an important competitive force in the beer industry. anheuser-busch was not deterred, saying: >> we remain confident in our position, and we intend to vigorously contest the justice department's action in federal court. >> reporter: the proposed merger between the largest and third largest beer mak